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Active NPI 1669000345 Individual Practitioner Male Practitioner

Dr. John Dennis Ehrhardt , MD

Surgery • Louisville, KY

Professional Overview & Biography Verified Profile Summary

Dr. John Ehrhardt, MD is a certified Surgery practicing in Louisville, KY. With approximately 6 years of clinical experience since completing medical education in 2020, Dr. Ehrhardt delivers high-quality medical care to the local community at 225 ABRAHAM FLEXNER WAY STE 700.

Dr. Ehrhardt does not directly accept Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

225 Abraham Flexner Way Ste 700

Louisville, KY 402023868

Telephone 5025614200
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2020

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Louisville, KY

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
6 Yrs -14.7 yrs vs City Avg
City Avg: 20.7 Yrs
State Avg: 25.9 Yrs
Regional Practice Density
114 Specialists

Practicing in Louisville, KY (495 Statewide)

Telehealth Adoption Rate
3.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ehrhardt (6 Years) 6 Yrs
Louisville Specialty Average (20.7 Years) 20.7 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-01-21
Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License IN 01096967A

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery

NUCC Taxonomy Code: 208600000X

State License KY 60861

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Secondary Practice Locations

1263 Hospital Dr Nw Ste 270

Corydon, IN 471122178

Phone: 8127384251

4900 Houston Rd

Florence, KY 410424824

Phone: 8593018074

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners
Dr. Sergio Serna Murrieta , MD

Orthopaedic Surgery - Hand Surgery

NPI 1063397677

Doctor of Medicine (M.D.)

Dr. Hussain Alali , MD

Orthopaedic Surgery - Hand Surgery

NPI 1285514711

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 13, 2025

Surgery (License #01096967A in IN)

📍
Updated Practice Location November 20, 2025

Registered at 225 ABRAHAM FLEXNER WAY STE 700, LOUISVILLE, KY 402023868 (Tel: 5025614200)

📍
Updated Business Mailing Address November 20, 2025

Registered at 225 ABRAHAM FLEXNER WAY STE 850, LOUISVILLE, KY 402023840 (Tel: 5025614266)

NPI Profile Active March 30, 2020

NPI status registered as active in NPPES database

📍
Updated Practice Location March 30, 2020

Registered at 11750 SW 40TH ST, MIAMI, FL 331753530 (Tel: 3052233000)

📍
Updated Business Mailing Address March 30, 2020

Registered at 14048 WEYMOUTH RUN, ORLANDO, FL 328287922 (Tel: 4076172237)

👤
Provider Name / Credentials Updated March 30, 2020

Recorded as JOHN EHRHARDT, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 30, 2020

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration March 30, 2020

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1669000345
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 30, 2020
Last Update: January 21, 2026
Sole Proprietor: No

Mailing Address

225 Abraham Flexner Way Ste 850

Louisville, KY 402023840

Phone: 5025614266

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.